Name two elements which have isotopes .Write the symbols of their isotopes and provide an account of the sub atomic particles present in each of these isotopes .

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Please find below the solution to the asked query:

Two elements having isotopes are hydrogen and carbon. The symbols are :

1) Hydrogen : ${}_1{}^{1}H , {}_1{}^{2}H and {}_1{}^{3}H$
The number of protons = number of electrons = 1

2) Carbon : ${}_6{}^{12}C , {}_6{}^{13}C , {}_6{}^{14}C$
Number of protons = number of electrons = 6

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